Boring holders – ISO nomenclature

Written By Dasarathi G V

November 10, 2025

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CNC: Boring holders – ISO nomenclature

Like inserts and turning holders, boring holder names too follow an ISO nomenclature standard. Also, like for inserts and turning holders, if you have anything at all to do with tool selection on CNC lathes, you need to understand this nomenclature.

This document on ISO nomenclature for CNC turning and boring holders has the details of each parameter in the name.

Author

Dasarathi G V

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Dasarathi has extensive experience in CNC programming, tooling, and managing shop floors. His expertise extends to the architecture, testing, and support of CAD/CAM, DNC, and Industry 4.0 systems.

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